A right pyramid has a rectangular base that is 6 ft by 8 ft. If the altitude of the pyramid is 10 feet, find its volume.
A. 80 
B. 160
C. 240
D. 480
Answer: B
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Simplify the radical expression.-
A. -23 B. -24 C. not a real number D. 23
Give the degree measure of ?.? = sin-1 
A. 120° B. 60° C. 135° D. 45°
Find the average rate of change for the function between the given values.f(x) = 
; from 1 to 5
A. 
B. - 
C. -2
D. -28
Suppose that the average adult in the United States will work x number of days (rounded to the nearest day) to earn enough to pay for all of the household's leisure activities in that year. This number can be calculated by multiplying the average percent of household income spent on leisure activities by 365 (the number of days in a year). The bar graph shows the percent of income spent in various countries of the world. Use the graph to answer the question.
List all countries in the graph in which more than 15% of household income is spent, on average, for leisure activities.
A. China, Australia, France, Germany B. Germany, Britain, Japan, USA C. Japan, USA D. Britain, Japan, USA